Callistus Ong Email & Phone Number

Managing Director, Merchant Business @ DCS Card Centre (formerly known as Diners Club Singapore)

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Callistus Ong Location

Singapore

Callistus Ong Work

Managing Director, Merchant Business @ (January 2025 - Present)
Head of Merchant Acquiring @ (January 2025 - Present)
Tech Partnerships, AP @ (February 2022 - January 2025)
Enterprise Sales @ (August 2020 - February 2022)
Ecommerce Sales Manager, ASEAN @ (December 2017 - August 2020)
Relationship Manager, Merchant Business Unit @ (July 2007 - November 2017)
Relationship Manager @ Citibank Singapore Ltd (July 2007 - November 2017)
Member Services Officer @ Telecoms Credit Cooperative (January 2007 - April 2007)

Callistus Ong Education

Murdoch University
Bachelor of Commerce (Marketing, International Business)
2011-2014
(Communications)
1998

Callistus Ong Skills

Relationship Management
Credit Cards
Portfolio Management
Payment Card Processing
Merchant Services
Finance
Payment Systems
Call Centers
Loans
Mobile Payments
Marketing
Financial Services
Business Strategy
Management
B2B Marketing Strategy
Business Development
Project Management
Training
Business Relationship Management

Callistus Ong Summary

Callistus Ong, based in Singapore, is currently a Managing Director, Merchant Business at DCS Card Centre. Callistus Ong brings experience from previous roles at DCS Card Centre, Visa, PayPal and Fiserv. Callistus Ong holds a 2011 - 2014 Bachelor of Commerce in Marketing, International Business @ Murdoch University. With a robust skill set that includes Relationship Management, Credit Cards, Portfolio Management, Payment Card Processing, Merchant Services and more. Callistus Ong has 1 emails and 1 mobile phone numbers on RocketReach.

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